/Engine/Source/Runtime/Engine/Classes/Kismet/KismetMathLibrary.h
Element-wise multiplication of a linear color by a float (F*R, F*G, F*B, F*A)
static [FLinearColor](API\Runtime\Core\Math\FLinearColor) Multiply_LinearColorFloat ( [FLinearColor](API\Runtime\Core\Math\FLinearColor) A, float B )